package com.common.app.widget;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;

import com.common.app.R;

/**
 * 作者：sosou
 * <p>
 * 版本：1.0
 * <p>
 * 创建日期：2021/12/31
 * <p>
 * 描述：仿iphone带进度的进度条，线程安全的View，可直接在线程中更新进度
 * <p>
 * 修订历史：
 */
public class RoundProgressBar extends View {
    /**
     * 画笔对象的引用
     */
    private Paint paint;

    /**
     * 圆环的颜色
     */
    private int roundColor;

    /**
     * 圆环进度的颜色
     */
    private int roundProgressColor;

    /**
     * 中间进度百分比的字符串的颜色
     */
    private int textColor;

    /**
     * 中间进度百分比的字符串的字体
     */
    private float textSize;

    /**
     * 圆环的宽度
     */
    private float roundWidth;

    /**
     * 最大进度
     */
    private int max;

    /**
     * 当前进度
     */
    private int progress;
    /**
     * 是否显示中间的进度
     */
    private boolean textIsDisplayable;

    /**
     * 进度的风格，实心或者空心
     */
    private int style;

    public static final int STROKE = 0;
    public static final int FILL = 1;

    public RoundProgressBar(Context context) {
        this(context, null);
    }

    public RoundProgressBar(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public RoundProgressBar(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);

        paint = new Paint();

        TypedArray mTypedArray = context.obtainStyledAttributes(attrs,
                R.styleable.overview_RoundProgressBar);

        //获取自定义属性和默认值
        roundColor = mTypedArray.getColor(R.styleable.overview_RoundProgressBar_overview_rpb_roundColor, Color.RED);
        roundProgressColor = mTypedArray.getColor(R.styleable.overview_RoundProgressBar_overview_rpb_roundProgressColor, Color.GREEN);
        textColor = mTypedArray.getColor(R.styleable.overview_RoundProgressBar_overview_rpb_textColor, Color.WHITE);
        textSize = mTypedArray.getDimension(R.styleable.overview_RoundProgressBar_overview_rpb_textSize, 15);
        roundWidth = mTypedArray.getDimension(R.styleable.overview_RoundProgressBar_overview_rpb_roundWidth, 5);
        max = mTypedArray.getInteger(R.styleable.overview_RoundProgressBar_overview_rpb_max, 100);
        textIsDisplayable = mTypedArray.getBoolean(R.styleable.overview_RoundProgressBar_overview_rpb_textIsDisplayable, true);
        style = mTypedArray.getInt(R.styleable.overview_RoundProgressBar_overview_rpb_style, 0);
        progress = mTypedArray.getInteger(R.styleable.overview_RoundProgressBar_overview_rpb_curProgress, 0);
        mTypedArray.recycle();

        postInvalidate();
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        int centre = getWidth() / 2;
        int radius = (int) (centre - roundWidth / 2);
        RectF oval = new RectF(centre - radius, centre - radius, centre + radius, centre + radius);

        // 设置画笔属性
        paint.setAntiAlias(true);
        paint.setStrokeWidth(roundWidth);
        paint.setStrokeCap(Paint.Cap.ROUND);

        if (style == STROKE) {
            // 绘制背景圆环
            paint.setStyle(Paint.Style.STROKE);
            paint.setColor(roundColor);
            canvas.drawCircle(centre, centre, radius, paint);

            // 绘制进度圆弧
            paint.setColor(roundProgressColor);
            canvas.drawArc(oval, -90, 360 * progress / max, false, paint);
        } else if (style == FILL) {
            // 绘制背景圆
            paint.setStyle(Paint.Style.FILL);
            paint.setColor(roundColor);
            canvas.drawCircle(centre, centre, radius, paint);

            // 绘制进度扇形
            paint.setColor(roundProgressColor);
            if (progress !=0) {
                canvas.drawArc(oval, -90, 360 * progress / max, true, paint);
            }
        }

        // 绘制进度文本
        if (textIsDisplayable && style == STROKE) {
            paint.setStyle(Paint.Style.FILL);
            paint.setColor(textColor);
            paint.setTextSize(textSize);
            int percent = (int) (((float) progress / (float) max) * 100);
            String text = percent + "%";
            float textWidth = paint.measureText(text);
            Paint.FontMetrics fontMetrics = paint.getFontMetrics();
            float textHeight = fontMetrics.bottom - fontMetrics.top;

            // 计算文字的基线
            float baselineY = centre + (textHeight / 2 - fontMetrics.bottom);canvas.drawText(text, centre - textWidth / 2, baselineY, paint);
        }
    }


    public synchronized int getMax() {
        return max;
    }

    /**
     * 设置进度的最大值
     * @param max
     */
    public synchronized void setMax(int max) {
        if(max < 0){
            throw new IllegalArgumentException("max not less than 0");
        }
        this.max = max;
    }

    /**
     * 获取进度.需要同步
     * @return
     */
    public synchronized int getProgress() {
        return progress;
    }

    /**
     * 设置进度，此为线程安全控件，由于考虑多线的问题，需要同步
     * 刷新界面调用postInvalidate()能在非UI线程刷新
     * @param progress
     */
    public synchronized void setProgress(int progress) {
        if(progress < 0){
            throw new IllegalArgumentException("progress not less than 0");
        }
        if(progress > max){
            progress = max;
        }
        if(progress <= max){
            this.progress = progress;
            postInvalidate();
        }

    }


    public int getCricleColor() {
        return roundColor;
    }

    public void setCricleColor(int cricleColor) {
        this.roundColor = cricleColor;
    }

    public int getCricleProgressColor() {
        return roundProgressColor;
    }

    public void setCricleProgressColor(int cricleProgressColor) {
        this.roundProgressColor = cricleProgressColor;
    }

    public int getTextColor() {
        return textColor;
    }

    public void setTextColor(int textColor) {
        this.textColor = textColor;
    }

    public float getTextSize() {
        return textSize;
    }

    public void setTextSize(float textSize) {
        this.textSize = textSize;
    }

    public float getRoundWidth() {
        return roundWidth;
    }

    public void setRoundWidth(float roundWidth) {
        this.roundWidth = roundWidth;
    }



}